package kr.hkit.powerjava.chapter24.teacher;

import java.util.Scanner;


public abstract class ServiceItem<T> {
	protected InterfaceDao<T> dao;
	protected Scanner sc;
	
	public ServiceItem(InterfaceDao<T> dao, Scanner sc) {
		this.dao = dao;
		this.sc = sc;
		init();
	}
	protected void init() {
		dao.loadFile();
		prnMenu();
	}
	public void prnMenu(){
		int res = 0;
		T item = null;
		do {
			System.out.print("1.입력\n2.삭제\n3.수정\n4.검색\n5.리스트보기\n6. 종료\n");
			res = sc.nextInt();
			switch (res) {
				case 1:
					item = inputItemInfo(true);
					dao.insertItem(item);
					break;
				case 2:
					dao.prnItemList(null);
					System.out.print("삭제할 정보를 입력하시오.");
					item = inputItemInfo(false);
					dao.deleteItem(item);
					break;
				case 3:
					dao.prnItemList(null);
					item = inputItemInfo(true);
					dao.updateItem( item);
					break;
				case 4:
					item = inputItemInfo(false);
					try{
						item = dao.searchItem(item);
						System.out.println(item);
					}catch(ArrayIndexOutOfBoundsException e){
						System.out.println("해당 정보 없음");
					}
					break;
				case 5:
					prnSubMenu();
					break;
				default:
					dao.saveFile();
					res = 7;
			}
		} while (res <= 6);		
	}
	
	public abstract T inputItemInfo(boolean gubun);
	public abstract void prnSubMenu();
}
